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lhotari / debug_github_actions.md
Last active March 18, 2025 15:12
GitHub Actions debugging tip: connect to the running build with ssh

GitHub Actions debugging tip: You can connect to the running build with ssh and get a shell within the GitHub Actions runner VM.

The recommended approach is to run the build in a PR in your own fork and make only temporary changes to enable the ssh shell. GitHub Actions runs within your own fork when you open a PR to your own fork. Before opening the PR, it's useful to sync your fork's master branch with origin/master. Please check instructions for "Personal GitHub Actions CI" in the dev mailing list archives.

Here's an example of SSH debugging I have: lhotari/pulsar-helm-chart#1 . I removed all other GitHub Actions workflows and added this action step to the workflow where I wanted to connect with ssh:

      - name: Setup upterm session
        uses: lhotari/action-upterm@v1
 with: